Merge commit 'v2.6.33-rc5' into next

29 files changed, 306 insertions, 203 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index dee6706038aa..258c639571b5 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -59,7 +59,8 @@ static void evdev_pass_event(struct evdev_client *client,
         client->head &= EVDEV_BUFFER_SIZE - 1;
         spin_unlock(&client->buffer_lock);
 
-        kill_fasync(&client->fasync, SIGIO, POLL_IN);
+        if (event->type == EV_SYN)
+                kill_fasync(&client->fasync, SIGIO, POLL_IN);
 }
 
 /*
diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c
index b483b2995fa9..f967008f332e 100644
--- a/drivers/input/ff-memless.c
+++ b/drivers/input/ff-memless.c
@@ -221,11 +221,27 @@ static int get_compatible_type(struct ff_device *ff, int effect_type)
 }
 
 /*
+ * Only left/right direction should be used (under/over 0x8000) for
+ * forward/reverse motor direction (to keep calculation fast & simple).
+ */
+static u16 ml_calculate_direction(u16 direction, u16 force,
+                                  u16 new_direction, u16 new_force)
+{
+        if (!force)
+                return new_direction;
+        if (!new_force)
+                return direction;
+        return (((u32)(direction >> 1) * force +
+                 (new_direction >> 1) * new_force) /
+                (force + new_force)) << 1;
+}
+
+/*
  * Combine two effects and apply gain.
  */
 static void ml_combine_effects(struct ff_effect *effect,
                                struct ml_effect_state *state,
-                               unsigned int gain)
+                               int gain)
 {
         struct ff_effect *new = state->effect;
         unsigned int strong, weak, i;
@@ -252,8 +268,21 @@ static void ml_combine_effects(struct ff_effect *effect,
                 break;
 
         case FF_RUMBLE:
-                strong = new->u.rumble.strong_magnitude * gain / 0xffff;
-                weak = new->u.rumble.weak_magnitude * gain / 0xffff;
+                strong = (u32)new->u.rumble.strong_magnitude * gain / 0xffff;
+                weak = (u32)new->u.rumble.weak_magnitude * gain / 0xffff;
+
+                if (effect->u.rumble.strong_magnitude + strong)
+                        effect->direction = ml_calculate_direction(
+                                effect->direction,
+                                effect->u.rumble.strong_magnitude,
+                                new->direction, strong);
+                else if (effect->u.rumble.weak_magnitude + weak)
+                        effect->direction = ml_calculate_direction(
+                                effect->direction,
+                                effect->u.rumble.weak_magnitude,
+                                new->direction, weak);
+                else
+                        effect->direction = 0;
                 effect->u.rumble.strong_magnitude =
                         min(strong + effect->u.rumble.strong_magnitude,
                             0xffffU);
@@ -268,6 +297,13 @@ static void ml_combine_effects(struct ff_effect *effect,
                 /* here we also scale it 0x7fff => 0xffff */
                 i = i * gain / 0x7fff;
 
+                if (effect->u.rumble.strong_magnitude + i)
+                        effect->direction = ml_calculate_direction(
+                                effect->direction,
+                                effect->u.rumble.strong_magnitude,
+                                new->direction, i);
+                else
+                        effect->direction = 0;
                 effect->u.rumble.strong_magnitude =
                         min(i + effect->u.rumble.strong_magnitude, 0xffffU);
                 effect->u.rumble.weak_magnitude =
@@ -411,8 +447,6 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
                                  msecs_to_jiffies(state->effect->replay.length);
                 state->adj_at = state->play_at;
 
-                ml_schedule_timer(ml);
-
         } else {
                 debug("initiated stop");
 
@@ -420,10 +454,10 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value)
                         __set_bit(FF_EFFECT_ABORTING, &state->flags);
                 else
                         __clear_bit(FF_EFFECT_STARTED, &state->flags);
-
-                ml_play_effects(ml);
         }
 
+        ml_play_effects(ml);
+
         return 0;
 }
 
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a31394c1eca8..6c161e220868 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -24,6 +24,7 @@
 #include <linux/mutex.h>
 #include <linux/rcupdate.h>
 #include <linux/smp_lock.h>
+#include "input-compat.h"
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
 MODULE_DESCRIPTION("Input core");
@@ -767,6 +768,40 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han
         return error;
 }
 
+#ifdef CONFIG_COMPAT
+
+static int input_bits_to_string(char *buf, int buf_size,
+                                unsigned long bits, bool skip_empty)
+{
+        int len = 0;
+
+        if (INPUT_COMPAT_TEST) {
+                u32 dword = bits >> 32;
+                if (dword || !skip_empty)
+                        len += snprintf(buf, buf_size, "%x ", dword);
+
+                dword = bits & 0xffffffffUL;
+                if (dword || !skip_empty || len)
+                        len += snprintf(buf + len, max(buf_size - len, 0),
+                                        "%x", dword);
+        } else {
+                if (bits || !skip_empty)
+                        len += snprintf(buf, buf_size, "%lx", bits);
+        }
+
+        return len;
+}
+
+#else /* !CONFIG_COMPAT */
+
+static int input_bits_to_string(char *buf, int buf_size,
+                                unsigned long bits, bool skip_empty)
+{
+        return bits || !skip_empty ?
+                snprintf(buf, buf_size, "%lx", bits) : 0;
+}
+
+#endif
 
 #ifdef CONFIG_PROC_FS
 
@@ -835,14 +870,25 @@ static void input_seq_print_bitmap(struct seq_file *seq, const char *name,
                                    unsigned long *bitmap, int max)
 {
         int i;
-
-        for (i = BITS_TO_LONGS(max) - 1; i > 0; i--)
-                if (bitmap[i])
-                        break;
+        bool skip_empty = true;
+        char buf[18];
 
         seq_printf(seq, "B: %s=", name);
-        for (; i >= 0; i--)
-                seq_printf(seq, "%lx%s", bitmap[i], i > 0 ? " " : "");
+
+        for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
+                if (input_bits_to_string(buf, sizeof(buf),
+                                         bitmap[i], skip_empty)) {
+                        skip_empty = false;
+                        seq_printf(seq, "%s%s", buf, i > 0 ? " " : "");
+                }
+        }
+
+        /*
+         * If no output was produced print a single 0.
+         */
+        if (skip_empty)
+                seq_puts(seq, "0");
+
         seq_putc(seq, '\n');
 }
 
@@ -1131,14 +1177,23 @@ static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
 {
         int i;
         int len = 0;
+        bool skip_empty = true;
+
+        for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
+                len += input_bits_to_string(buf + len, max(buf_size - len, 0),
+                                            bitmap[i], skip_empty);
+                if (len) {
+                        skip_empty = false;
+                        if (i > 0)
+                                len += snprintf(buf + len, max(buf_size - len, 0), " ");
+                }
+        }
 
-        for (i = BITS_TO_LONGS(max) - 1; i > 0; i--)
-                if (bitmap[i])
-                        break;
-
-        for (; i >= 0; i--)
-                len += snprintf(buf + len, max(buf_size - len, 0),
-                                "%lx%s", bitmap[i], i > 0 ? " " : "");
+        /*
+         * If no output was produced print a single 0.
+         */
+        if (len == 0)
+                len = snprintf(buf, buf_size, "%d", 0);
 
         if (add_cr)
                 len += snprintf(buf + len, max(buf_size - len, 0), "\n");
@@ -1153,7 +1208,8 @@ static ssize_t input_dev_show_cap_##bm(struct device *dev,		\
 {                                                                       \
         struct input_dev *input_dev = to_input_dev(dev);                \
         int len = input_print_bitmap(buf, PAGE_SIZE,                    \
-                                     input_dev->bm##bit, ev##_MAX, 1);  \
+                                     input_dev->bm##bit, ev##_MAX,      \
+                                     true);                             \
         return min_t(int, len, PAGE_SIZE);                              \
 }                                                                       \
 static DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL)
@@ -1217,7 +1273,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
 
         len = input_print_bitmap(&env->buf[env->buflen - 1],
                                  sizeof(env->buf) - env->buflen,
-                                 bitmap, max, 0);
+                                 bitmap, max, false);
         if (len >= (sizeof(env->buf) - env->buflen))
                 return -ENOMEM;
 
diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c
index 67c207f5b1a1..45ac70eae0aa 100644
--- a/drivers/input/joystick/gf2k.c
+++ b/drivers/input/joystick/gf2k.c
@@ -277,7 +277,7 @@ static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)
         }
 
 #ifdef RESET_WORKS
-        if ((gf2k->id != (GB(19,2,0) | GB(15,3,2) | GB(12,3,5))) ||
+        if ((gf2k->id != (GB(19,2,0) | GB(15,3,2) | GB(12,3,5))) &&
             (gf2k->id != (GB(31,2,0) | GB(27,3,2) | GB(24,3,5)))) {
                 err = -ENODEV;
                 goto fail2;
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index f6c688cae334..b1edd778639c 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -210,7 +210,7 @@ static int iforce_open(struct input_dev *dev)
         return 0;
 }
 
-static void iforce_release(struct input_dev *dev)
+static void iforce_close(struct input_dev *dev)
 {
         struct iforce *iforce = input_get_drvdata(dev);
         int i;
@@ -228,30 +228,17 @@ static void iforce_release(struct input_dev *dev)
 
                 /* Disable force feedback playback */
                 iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
+                /* Wait for the command to complete */
+                wait_event_interruptible(iforce->wait,
+                        !test_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags));
         }
 
         switch (iforce->bus) {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
-                case IFORCE_USB:
-                        usb_kill_urb(iforce->irq);
-
-                        /* The device was unplugged before the file
-                         * was released */
-                        if (iforce->usbdev == NULL) {
-                                iforce_delete_device(iforce);
-                                kfree(iforce);
-                        }
-                break;
-#endif
-        }
-}
-
-void iforce_delete_device(struct iforce *iforce)
-{
-        switch (iforce->bus) {
-#ifdef CONFIG_JOYSTICK_IFORCE_USB
         case IFORCE_USB:
-                iforce_usb_delete(iforce);
+                usb_kill_urb(iforce->irq);
+                usb_kill_urb(iforce->out);
+                usb_kill_urb(iforce->ctrl);
                 break;
 #endif
 #ifdef CONFIG_JOYSTICK_IFORCE_232
@@ -303,7 +290,7 @@ int iforce_init_device(struct iforce *iforce)
 
         input_dev->name = "Unknown I-Force device";
         input_dev->open = iforce_open;
-        input_dev->close = iforce_release;
+        input_dev->close = iforce_close;
 
 /*
  * On-device memory allocation.
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index 9f289d8f52c6..b41303d3ec54 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -109,6 +109,7 @@ static void iforce_usb_out(struct urb *urb)
         struct iforce *iforce = urb->context;
 
         if (urb->status) {
+                clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
                 dbg("urb->status %d, exiting", urb->status);
                 return;
         }
@@ -186,33 +187,19 @@ fail:
         return err;
 }
 
-/* Called by iforce_delete() */
-void iforce_usb_delete(struct iforce* iforce)
-{
-        usb_kill_urb(iforce->irq);
-        usb_kill_urb(iforce->out);
-        usb_kill_urb(iforce->ctrl);
-
-        usb_free_urb(iforce->irq);
-        usb_free_urb(iforce->out);
-        usb_free_urb(iforce->ctrl);
-}
-
 static void iforce_usb_disconnect(struct usb_interface *intf)
 {
         struct iforce *iforce = usb_get_intfdata(intf);
-        int open = 0; /* FIXME! iforce->dev.handle->open; */
 
         usb_set_intfdata(intf, NULL);
-        if (iforce) {
-                iforce->usbdev = NULL;
-                input_unregister_device(iforce->dev);
 
-                if (!open) {
-                        iforce_delete_device(iforce);
-                        kfree(iforce);
-                }
-        }
+        input_unregister_device(iforce->dev);
+
+        usb_free_urb(iforce->irq);
+        usb_free_urb(iforce->out);
+        usb_free_urb(iforce->ctrl);
+
+        kfree(iforce);
 }
 
 static struct usb_device_id iforce_usb_ids [] = {
diff --git a/drivers/input/joystick/iforce/iforce.h b/drivers/input/joystick/iforce/iforce.h
index f2d91f4028ca..9f494b75848a 100644
--- a/drivers/input/joystick/iforce/iforce.h
+++ b/drivers/input/joystick/iforce/iforce.h
@@ -150,11 +150,9 @@ void iforce_serial_xmit(struct iforce *iforce);
 
 /* iforce-usb.c */
 void iforce_usb_xmit(struct iforce *iforce);
-void iforce_usb_delete(struct iforce *iforce);
 
 /* iforce-main.c */
 int iforce_init_device(struct iforce *iforce);
-void iforce_delete_device(struct iforce *iforce);
 
 /* iforce-packets.c */
 int iforce_control_playback(struct iforce*, u16 id, unsigned int);
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 5483fb9bd819..66be6901619d 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -471,7 +471,7 @@ static void xpad_irq_in(struct urb *urb)
         }
 
 exit:
-        retval = usb_submit_urb (urb, GFP_ATOMIC);
+        retval = usb_submit_urb(urb, GFP_ATOMIC);
         if (retval)
                 err ("%s - usb_submit_urb failed with result %d",
                      __func__, retval);
@@ -596,7 +596,7 @@ static int xpad_play_effect(struct input_dev *dev, void *data,
                 xpad->odata[6] = 0x00;
                 xpad->odata[7] = 0x00;
                 xpad->irq_out->transfer_buffer_length = 8;
-                usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+                usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
         }
 
         return 0;
diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 6737fe4c0f12..b5142d2d5112 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -320,7 +320,7 @@ static int adp5588_resume(struct device *dev)
         return 0;
 }
 
-static struct dev_pm_ops adp5588_dev_pm_ops = {
+static const struct dev_pm_ops adp5588_dev_pm_ops = {
         .suspend = adp5588_suspend,
         .resume  = adp5588_resume,
 };
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 7c235013dba3..326875be192e 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -134,7 +134,8 @@ static const unsigned short atkbd_unxlate_table[128] = {
 #define ATKBD_CMD_GETID         0x02f2
 #define ATKBD_CMD_SETREP        0x10f3
 #define ATKBD_CMD_ENABLE        0x00f4
-#define ATKBD_CMD_RESET_DIS     0x00f5
+#define ATKBD_CMD_RESET_DIS     0x00f5  /* Reset to defaults and disable */
+#define ATKBD_CMD_RESET_DEF     0x00f6  /* Reset to defaults */
 #define ATKBD_CMD_SETALL_MBR    0x00fa
 #define ATKBD_CMD_RESET_BAT     0x02ff
 #define ATKBD_CMD_RESEND        0x00fe
@@ -224,8 +225,10 @@ struct atkbd {
 
         struct delayed_work event_work;
         unsigned long event_jiffies;
-        struct mutex event_mutex;
         unsigned long event_mask;
+
+        /* Serializes reconnect(), attr->set() and event work */
+        struct mutex mutex;
 };
 
 /*
@@ -575,7 +578,7 @@ static void atkbd_event_work(struct work_struct *work)
 {
         struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
 
-        mutex_lock(&atkbd->event_mutex);
+        mutex_lock(&atkbd->mutex);
 
         if (!atkbd->enabled) {
                 /*
@@ -594,7 +597,7 @@ static void atkbd_event_work(struct work_struct *work)
                         atkbd_set_repeat_rate(atkbd);
         }
 
-        mutex_unlock(&atkbd->event_mutex);
+        mutex_unlock(&atkbd->mutex);
 }
 
 /*
@@ -610,7 +613,7 @@ static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
 
         atkbd->event_jiffies = jiffies;
         set_bit(event_bit, &atkbd->event_mask);
-        wmb();
+        mb();
         schedule_delayed_work(&atkbd->event_work, delay);
 }
 
@@ -840,7 +843,7 @@ static void atkbd_cleanup(struct serio *serio)
         struct atkbd *atkbd = serio_get_drvdata(serio);
 
         atkbd_disable(atkbd);
-        ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
+        ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
 }
 
 
@@ -852,13 +855,20 @@ static void atkbd_disconnect(struct serio *serio)
 {
         struct atkbd *atkbd = serio_get_drvdata(serio);
 
+        sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
+
         atkbd_disable(atkbd);
 
-        /* make sure we don't have a command in flight */
+        input_unregister_device(atkbd->dev);
+
+        /*
+         * Make sure we don't have a command in flight.
+         * Note that since atkbd->enabled is false event work will keep
+         * rescheduling itself until it gets canceled and will not try
+         * accessing freed input device or serio port.
+         */
         cancel_delayed_work_sync(&atkbd->event_work);
 
-        sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
-        input_unregister_device(atkbd->dev);
         serio_close(serio);
         serio_set_drvdata(serio, NULL);
         kfree(atkbd);
@@ -1090,7 +1100,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
         atkbd->dev = dev;
         ps2_init(&atkbd->ps2dev, serio);
         INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
-        mutex_init(&atkbd->event_mutex);
+        mutex_init(&atkbd->mutex);
 
         switch (serio->id.type) {
 
@@ -1165,6 +1175,7 @@ static int atkbd_reconnect(struct serio *serio)
 {
         struct atkbd *atkbd = serio_get_drvdata(serio);
         struct serio_driver *drv = serio->drv;
+        int retval = -1;
 
         if (!atkbd || !drv) {
                 dev_dbg(&serio->dev,
@@ -1172,13 +1183,16 @@ static int atkbd_reconnect(struct serio *serio)
                 return -1;
         }
 
+        mutex_lock(&atkbd->mutex);
+
         atkbd_disable(atkbd);
 
         if (atkbd->write) {
                 if (atkbd_probe(atkbd))
-                        return -1;
+                        goto out;
+
                 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
-                        return -1;
+                        goto out;
 
                 atkbd_activate(atkbd);
 
@@ -1196,8 +1210,11 @@ static int atkbd_reconnect(struct serio *serio)
         }
 
         atkbd_enable(atkbd);
+        retval = 0;
 
-        return 0;
+ out:
+        mutex_unlock(&atkbd->mutex);
+        return retval;
 }
 
 static struct serio_device_id atkbd_serio_ids[] = {
@@ -1241,47 +1258,28 @@ static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
                                 ssize_t (*handler)(struct atkbd *, char *))
 {
         struct serio *serio = to_serio_port(dev);
-        int retval;
-
-        retval = serio_pin_driver(serio);
-        if (retval)
-                return retval;
-
-        if (serio->drv != &atkbd_drv) {
-                retval = -ENODEV;
-                goto out;
-        }
-
-        retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
+        struct atkbd *atkbd = serio_get_drvdata(serio);
 
-out:
-        serio_unpin_driver(serio);
-        return retval;
+        return handler(atkbd, buf);
 }
 
 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
                                 ssize_t (*handler)(struct atkbd *, const char *, size_t))
 {
         struct serio *serio = to_serio_port(dev);
-        struct atkbd *atkbd;
+        struct atkbd *atkbd = serio_get_drvdata(serio);
         int retval;
 
-        retval = serio_pin_driver(serio);
+        retval = mutex_lock_interruptible(&atkbd->mutex);
         if (retval)
                 return retval;
 
-        if (serio->drv != &atkbd_drv) {
-                retval = -ENODEV;
-                goto out;
-        }
-
-        atkbd = serio_get_drvdata(serio);
         atkbd_disable(atkbd);
         retval = handler(atkbd, buf, count);
         atkbd_enable(atkbd);
 
-out:
-        serio_unpin_driver(serio);
+        mutex_unlock(&atkbd->mutex);
+
         return retval;
 }
 
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index 6e52d855f637..d410d7a52f1d 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -174,6 +174,14 @@ static int __init davinci_ks_probe(struct platform_device *pdev)
         struct davinci_ks_platform_data *pdata = pdev->dev.platform_data;
         int error, i;
 
+        if (pdata->device_enable) {
+                error = pdata->device_enable(dev);
+                if (error < 0) {
+                        dev_dbg(dev, "device enable function failed\n");
+                        return error;
+                }
+        }
+
         if (!pdata->keymap) {
                 dev_dbg(dev, "no keymap from pdata\n");
                 return -EINVAL;
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 34f4a29d4973..d3c8b61a941d 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -29,11 +29,13 @@ struct matrix_keypad {
         unsigned short *keycodes;
         unsigned int row_shift;
 
+        DECLARE_BITMAP(disabled_gpios, MATRIX_MAX_ROWS);
+
         uint32_t last_key_state[MATRIX_MAX_COLS];
         struct delayed_work work;
+        spinlock_t lock;
         bool scan_pending;
         bool stopped;
-        spinlock_t lock;
 };
 
 /*
@@ -222,9 +224,16 @@ static int matrix_keypad_suspend(struct device *dev)
 
         matrix_keypad_stop(keypad->input_dev);
 
-        if (device_may_wakeup(&pdev->dev))
-                for (i = 0; i < pdata->num_row_gpios; i++)
-                        enable_irq_wake(gpio_to_irq(pdata->row_gpios[i]));
+        if (device_may_wakeup(&pdev->dev)) {
+                for (i = 0; i < pdata->num_row_gpios; i++) {
+                        if (!test_bit(i, keypad->disabled_gpios)) {
+                                unsigned int gpio = pdata->row_gpios[i];
+
+                                if (enable_irq_wake(gpio_to_irq(gpio)) == 0)
+                                        __set_bit(i, keypad->disabled_gpios);
+                        }
+                }
+        }
 
         return 0;
 }
@@ -236,9 +245,15 @@ static int matrix_keypad_resume(struct device *dev)
         const struct matrix_keypad_platform_data *pdata = keypad->pdata;
         int i;
 
-        if (device_may_wakeup(&pdev->dev))
-                for (i = 0; i < pdata->num_row_gpios; i++)
-                        disable_irq_wake(gpio_to_irq(pdata->row_gpios[i]));
+        if (device_may_wakeup(&pdev->dev)) {
+                for (i = 0; i < pdata->num_row_gpios; i++) {
+                        if (test_and_clear_bit(i, keypad->disabled_gpios)) {
+                                unsigned int gpio = pdata->row_gpios[i];
+
+                                disable_irq_wake(gpio_to_irq(gpio));
+                        }
+                }
+        }
 
         matrix_keypad_start(keypad->input_dev);
 
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index 25706f802258..efcc3a3b9b53 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -295,7 +295,7 @@ static int sh_keysc_resume(struct device *dev)
         return 0;
 }
 
-static struct dev_pm_ops sh_keysc_dev_pm_ops = {
+static const struct dev_pm_ops sh_keysc_dev_pm_ops = {
         .suspend = sh_keysc_suspend,
         .resume = sh_keysc_resume,
 };
diff --git a/drivers/input/keyboard/twl4030_keypad.c b/drivers/input/keyboard/twl4030_keypad.c
index eeaa7acb9cfc..21d6184efa96 100644
--- a/drivers/input/keyboard/twl4030_keypad.c
+++ b/drivers/input/keyboard/twl4030_keypad.c
@@ -253,14 +253,6 @@ static irqreturn_t do_kp_irq(int irq, void *_kp)
         u8 reg;
         int ret;
 
-#ifdef CONFIG_LOCKDEP
-        /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
-         * we don't want and can't tolerate.  Although it might be
-         * friendlier not to borrow this thread context...
-         */
-        local_irq_enable();
-#endif
-
         /* Read & Clear TWL4030 pending interrupt */
         ret = twl4030_kpread(kp, &reg, KEYP_ISR1, 1);
 
@@ -403,7 +395,8 @@ static int __devinit twl4030_kp_probe(struct platform_device *pdev)
          *
          * NOTE:  we assume this host is wired to TWL4040 INT1, not INT2 ...
          */
-        error = request_irq(kp->irq, do_kp_irq, 0, pdev->name, kp);
+        error = request_threaded_irq(kp->irq, NULL, do_kp_irq,
+                        0, pdev->name, kp);
         if (error) {
                 dev_info(kp->dbg_dev, "request_irq failed for irq no=%d\n",
                         kp->irq);
diff --git a/drivers/input/misc/bfin_rotary.c b/drivers/input/misc/bfin_rotary.c
index 690f3fafa03b..61d10177fa83 100644
--- a/drivers/input/misc/bfin_rotary.c
+++ b/drivers/input/misc/bfin_rotary.c
@@ -247,7 +247,7 @@ static int bfin_rotary_resume(struct device *dev)
         return 0;
 }
 
-static struct dev_pm_ops bfin_rotary_pm_ops = {
+static const struct dev_pm_ops bfin_rotary_pm_ops = {
         .suspend        = bfin_rotary_suspend,
         .resume         = bfin_rotary_resume,
 };
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index 21cb755a54fb..ea4e1fd12651 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -127,7 +127,7 @@ static void pcspkr_shutdown(struct platform_device *dev)
         pcspkr_event(NULL, EV_SND, SND_BELL, 0);
 }
 
-static struct dev_pm_ops pcspkr_pm_ops = {
+static const struct dev_pm_ops pcspkr_pm_ops = {
         .suspend = pcspkr_suspend,
 };
 
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index bdde5c889035..e9069b87fde2 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -39,18 +39,8 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
         int err;
         u8 value;
 
-#ifdef CONFIG_LOCKDEP
-        /* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
-         * we don't want and can't tolerate since this is a threaded
-         * IRQ and can sleep due to the i2c reads it has to issue.
-         * Although it might be friendlier not to borrow this thread
-         * context...
-         */
-        local_irq_enable();
-#endif
-
         err = twl_i2c_read_u8(TWL4030_MODULE_PM_MASTER, &value,
-                                  STS_HW_CONDITIONS);
+                                STS_HW_CONDITIONS);
         if (!err)  {
                 input_report_key(pwr, KEY_POWER, value & PWR_PWRON_IRQ);
                 input_sync(pwr);
@@ -80,7 +70,7 @@ static int __devinit twl4030_pwrbutton_probe(struct platform_device *pdev)
         pwr->phys = "twl4030_pwrbutton/input0";
         pwr->dev.parent = &pdev->dev;
 
-        err = request_irq(irq, powerbutton_irq,
+        err = request_threaded_irq(irq, NULL, powerbutton_irq,
                         IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
                         "twl4030_pwrbutton", pwr);
         if (err < 0) {
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 38da6ab04384..c0afb71a3a6d 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -1328,7 +1328,7 @@ static struct platform_driver wistron_driver = {
         .driver         = {
                 .name   = "wistron-bios",
                 .owner  = THIS_MODULE,
-#if CONFIG_PM
+#ifdef CONFIG_PM
                 .pm     = &wistron_pm_ops,
 #endif
         },
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 3feeb3af8abd..c714ca2407f8 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -70,7 +70,7 @@ config MOUSE_PS2_SYNAPTICS
 config MOUSE_PS2_LIFEBOOK
         bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EMBEDDED
         default y
-        depends on MOUSE_PS2 && X86
+        depends on MOUSE_PS2 && X86 && DMI
         help
           Say Y here if you have a Fujitsu B-series Lifebook PS/2
           TouchScreen connected to your system.
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 0d1d33468b43..4f8fe0886b2a 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -139,6 +139,7 @@ struct tp_finger {
 /* trackpad finger data size, empirically at least ten fingers */
 #define SIZEOF_FINGER           sizeof(struct tp_finger)
 #define SIZEOF_ALL_FINGERS      (16 * SIZEOF_FINGER)
+#define MAX_FINGER_ORIENTATION  16384
 
 /* device-specific parameters */
 struct bcm5974_param {
@@ -284,6 +285,26 @@ static void setup_events_to_report(struct input_dev *input_dev,
         input_set_abs_params(input_dev, ABS_Y,
                                 0, cfg->y.dim, cfg->y.fuzz, 0);
 
+        /* finger touch area */
+        input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        /* finger approach area */
+        input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        /* finger orientation */
+        input_set_abs_params(input_dev, ABS_MT_ORIENTATION,
+                             -MAX_FINGER_ORIENTATION,
+                             MAX_FINGER_ORIENTATION, 0, 0);
+        /* finger position */
+        input_set_abs_params(input_dev, ABS_MT_POSITION_X,
+                             cfg->x.devmin, cfg->x.devmax, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
+                             cfg->y.devmin, cfg->y.devmax, 0, 0);
+
         __set_bit(EV_KEY, input_dev->evbit);
         __set_bit(BTN_TOUCH, input_dev->keybit);
         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
@@ -310,13 +331,29 @@ static int report_bt_state(struct bcm5974 *dev, int size)
         return 0;
 }
 
+static void report_finger_data(struct input_dev *input,
+                               const struct bcm5974_config *cfg,
+                               const struct tp_finger *f)
+{
+        input_report_abs(input, ABS_MT_TOUCH_MAJOR, raw2int(f->force_major));
+        input_report_abs(input, ABS_MT_TOUCH_MINOR, raw2int(f->force_minor));
+        input_report_abs(input, ABS_MT_WIDTH_MAJOR, raw2int(f->size_major));
+        input_report_abs(input, ABS_MT_WIDTH_MINOR, raw2int(f->size_minor));
+        input_report_abs(input, ABS_MT_ORIENTATION,
+                         MAX_FINGER_ORIENTATION - raw2int(f->orientation));
+        input_report_abs(input, ABS_MT_POSITION_X, raw2int(f->abs_x));
+        input_report_abs(input, ABS_MT_POSITION_Y,
+                         cfg->y.devmin + cfg->y.devmax - raw2int(f->abs_y));
+        input_mt_sync(input);
+}
+
 /* report trackpad data as logical trackpad state */
 static int report_tp_state(struct bcm5974 *dev, int size)
 {
         const struct bcm5974_config *c = &dev->cfg;
         const struct tp_finger *f;
         struct input_dev *input = dev->input;
-        int raw_p, raw_w, raw_x, raw_y, raw_n;
+        int raw_p, raw_w, raw_x, raw_y, raw_n, i;
         int ptest, origin, ibt = 0, nmin = 0, nmax = 0;
         int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0;
 
@@ -329,6 +366,11 @@ static int report_tp_state(struct bcm5974 *dev, int size)
 
         /* always track the first finger; when detached, start over */
         if (raw_n) {
+
+                /* report raw trackpad data */
+                for (i = 0; i < raw_n; i++)
+                        report_finger_data(input, c, &f[i]);
+
                 raw_p = raw2int(f->force_major);
                 raw_w = raw2int(f->size_major);
                 raw_x = raw2int(f->abs_x);
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 29dc6aade766..9169d1591c1f 100644
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -423,7 +423,6 @@ static void hgpk_recalib_work(struct work_struct *work)
 
 static int hgpk_register(struct psmouse *psmouse)
 {
-        struct input_dev *dev = psmouse->dev;
         int err;
 
         /* register handlers */
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 2e6bdfea0165..6d7aa10d10f0 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -44,7 +44,6 @@ static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
 }
 
 static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
-#if defined(CONFIG_DMI) && defined(CONFIG_X86)
         {
                 /* FLORA-ie 55mi */
                 .matches = {
@@ -118,7 +117,6 @@ static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
                 },
         },
         { }
-#endif
 };
 
 void __init lifebook_module_init(void)
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index fd0bc094616a..9774bdfaa482 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -627,8 +627,15 @@ static int psmouse_extensions(struct psmouse *psmouse,
                 synaptics_hardware = true;
 
                 if (max_proto > PSMOUSE_IMEX) {
-                        if (!set_properties || synaptics_init(psmouse) == 0)
+/*
+ * Try activating protocol, but check if support is enabled first, since
+ * we try detecting Synaptics even when protocol is disabled.
+ */
+                        if (synaptics_supported() &&
+                            (!set_properties || synaptics_init(psmouse) == 0)) {
                                 return PSMOUSE_SYNAPTICS;
+                        }
+
 /*
  * Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
  * Unfortunately Logitech/Genius probes confuse some firmware versions so
@@ -683,19 +690,6 @@ static int psmouse_extensions(struct psmouse *psmouse,
                 max_proto = PSMOUSE_IMEX;
         }
 
-/*
- * Try Finger Sensing Pad
- */
-        if (max_proto > PSMOUSE_IMEX) {
-                if (fsp_detect(psmouse, set_properties) == 0) {
-                        if (!set_properties || fsp_init(psmouse) == 0)
-                                return PSMOUSE_FSP;
-/*
- * Init failed, try basic relative protocols
- */
-                        max_proto = PSMOUSE_IMEX;
-                }
-        }
 
         if (max_proto > PSMOUSE_IMEX) {
                 if (genius_detect(psmouse, set_properties) == 0)
@@ -712,6 +706,21 @@ static int psmouse_extensions(struct psmouse *psmouse,
         }
 
 /*
+ * Try Finger Sensing Pad. We do it here because its probe upsets
+ * Trackpoint devices (causing TP_READ_ID command to time out).
+ */
+        if (max_proto > PSMOUSE_IMEX) {
+                if (fsp_detect(psmouse, set_properties) == 0) {
+                        if (!set_properties || fsp_init(psmouse) == 0)
+                                return PSMOUSE_FSP;
+/*
+ * Init failed, try basic relative protocols
+ */
+                        max_proto = PSMOUSE_IMEX;
+                }
+        }
+
+/*
  * Reset to defaults in case the device got confused by extended
  * protocol probes. Note that we follow up with full reset because
  * some mice put themselves to sleep when they see PSMOUSE_RESET_DIS.
@@ -1137,7 +1146,10 @@ static void psmouse_cleanup(struct serio *serio)
         if (psmouse->cleanup)
                 psmouse->cleanup(psmouse);
 
-        psmouse_reset(psmouse);
+/*
+ * Reset the mouse to defaults (bare PS/2 protocol).
+ */
+        ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
 
 /*
  * Some boxes, such as HP nx7400, get terribly confused if mouse
@@ -1447,24 +1459,10 @@ ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *de
         struct serio *serio = to_serio_port(dev);
         struct psmouse_attribute *attr = to_psmouse_attr(devattr);
         struct psmouse *psmouse;
-        int retval;
-
-        retval = serio_pin_driver(serio);
-        if (retval)
-                return retval;
-
-        if (serio->drv != &psmouse_drv) {
-                retval = -ENODEV;
-                goto out;
-        }
 
         psmouse = serio_get_drvdata(serio);
 
-        retval = attr->show(psmouse, attr->data, buf);
-
-out:
-        serio_unpin_driver(serio);
-        return retval;
+        return attr->show(psmouse, attr->data, buf);
 }
 
 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *devattr,
@@ -1475,18 +1473,9 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev
         struct psmouse *psmouse, *parent = NULL;
         int retval;
 
-        retval = serio_pin_driver(serio);
-        if (retval)
-                return retval;
-
-        if (serio->drv != &psmouse_drv) {
-                retval = -ENODEV;
-                goto out_unpin;
-        }
-
         retval = mutex_lock_interruptible(&psmouse_mutex);
         if (retval)
-                goto out_unpin;
+                goto out;
 
         psmouse = serio_get_drvdata(serio);
 
@@ -1516,8 +1505,7 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev
 
  out_unlock:
         mutex_unlock(&psmouse_mutex);
- out_unpin:
-        serio_unpin_driver(serio);
+ out:
         return retval;
 }
 
@@ -1579,9 +1567,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co
                 }
 
                 mutex_unlock(&psmouse_mutex);
-                serio_unpin_driver(serio);
                 serio_unregister_child_port(serio);
-                serio_pin_driver_uninterruptible(serio);
                 mutex_lock(&psmouse_mutex);
 
                 if (serio->drv != &psmouse_drv) {
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index 77b9fd0b3fbf..81a6b81cb2fe 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -2,7 +2,7 @@
  * Finger Sensing Pad PS/2 mouse driver.
  *
  * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
- * Copyright (C) 2005-2009 Tai-hwa Liang, Sentelic Corporation.
+ * Copyright (C) 2005-2010 Tai-hwa Liang, Sentelic Corporation.
  *
  *   This program is free software; you can redistribute it and/or
  *   modify it under the terms of the GNU General Public License
@@ -658,9 +658,9 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse)
                         if (packet[3] & BIT(1))
                                 button_status |= 0x0f;  /* wheel up */
                         if (packet[3] & BIT(2))
-                                button_status |= BIT(5);/* horizontal left */
+                                button_status |= BIT(4);/* horizontal left */
                         if (packet[3] & BIT(3))
-                                button_status |= BIT(4);/* horizontal right */
+                                button_status |= BIT(5);/* horizontal right */
                         /* push back to packet queue */
                         if (button_status != 0)
                                 packet[3] = button_status;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 05689e732191..d3f5243fa093 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -743,6 +743,11 @@ int synaptics_init(struct psmouse *psmouse)
         return -1;
 }
 
+bool synaptics_supported(void)
+{
+        return true;
+}
+
 #else /* CONFIG_MOUSE_PS2_SYNAPTICS */
 
 void __init synaptics_module_init(void)
@@ -754,5 +759,10 @@ int synaptics_init(struct psmouse *psmouse)
         return -ENOSYS;
 }
 
+bool synaptics_supported(void)
+{
+        return false;
+}
+
 #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
 
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 838e7f2c9b30..f0f40a331dc8 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -109,5 +109,6 @@ void synaptics_module_init(void);
 int synaptics_detect(struct psmouse *psmouse, bool set_properties);
 int synaptics_init(struct psmouse *psmouse);
 void synaptics_reset(struct psmouse *psmouse);
+bool synaptics_supported(void);
 
 #endif /* _SYNAPTICS_H */
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 64b688daf48a..2a5982e532f8 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -524,6 +524,13 @@ static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
  */
 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
         {
+                /* Acer Aspire 5610 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
+                },
+        },
+        {
                 /* Acer Aspire 5630 */
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index ee69ec399e08..c3b626e9eae7 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -275,13 +275,7 @@ static void serio_handle_event(void)
 
         mutex_lock(&serio_mutex);
 
-        /*
-         * Note that we handle only one event here to give swsusp
-         * a chance to freeze kseriod thread. Serio events should
-         * be pretty rare so we are not concerned about taking
-         * performance hit.
-         */
-        if ((event = serio_get_event())) {
+        while ((event = serio_get_event())) {
 
                 switch (event->type) {
 
@@ -367,10 +361,9 @@ static struct serio *serio_get_pending_child(struct serio *parent)
 
 static int serio_thread(void *nothing)
 {
-        set_freezable();
         do {
                 serio_handle_event();
-                wait_event_freezable(serio_wait,
+                wait_event_interruptible(serio_wait,
                         kthread_should_stop() || !list_empty(&serio_event_list));
         } while (!kthread_should_stop());
 
diff --git a/drivers/input/touchscreen/pcap_ts.c b/drivers/input/touchscreen/pcap_ts.c
index 67fcd33595de..b79097e3028a 100644
--- a/drivers/input/touchscreen/pcap_ts.c
+++ b/drivers/input/touchscreen/pcap_ts.c
@@ -233,7 +233,7 @@ static int pcap_ts_resume(struct device *dev)
         return 0;
 }
 
-static struct dev_pm_ops pcap_ts_pm_ops = {
+static const struct dev_pm_ops pcap_ts_pm_ops = {
         .suspend        = pcap_ts_suspend,
         .resume         = pcap_ts_resume,
 };